結果
問題 | No.2758 RDQ |
ユーザー | kusaf_ |
提出日時 | 2024-06-18 02:56:41 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,107 ms / 2,000 ms |
コード長 | 5,570 bytes |
コンパイル時間 | 4,362 ms |
コンパイル使用メモリ | 268,088 KB |
実行使用メモリ | 398,660 KB |
最終ジャッジ日時 | 2024-06-18 02:57:08 |
合計ジャッジ時間 | 26,094 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1,001 ms
398,536 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 3 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1,032 ms
398,532 KB |
testcase_07 | AC | 972 ms
398,532 KB |
testcase_08 | AC | 963 ms
398,660 KB |
testcase_09 | AC | 983 ms
398,532 KB |
testcase_10 | AC | 986 ms
398,532 KB |
testcase_11 | AC | 1,073 ms
398,532 KB |
testcase_12 | AC | 1,078 ms
398,532 KB |
testcase_13 | AC | 1,095 ms
398,532 KB |
testcase_14 | AC | 1,101 ms
398,536 KB |
testcase_15 | AC | 1,101 ms
398,540 KB |
testcase_16 | AC | 1,107 ms
398,536 KB |
testcase_17 | AC | 1,072 ms
398,660 KB |
testcase_18 | AC | 1,103 ms
398,572 KB |
testcase_19 | AC | 1,099 ms
398,536 KB |
testcase_20 | AC | 1,101 ms
398,412 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; struct SuccinctIndexableDictionary { ll len; ll blk; vector<ll> bit, sum; SuccinctIndexableDictionary() = default; SuccinctIndexableDictionary(ll len): len(len), blk((len + 31) >> 5) { bit.assign(blk, 0LL); sum.assign(blk, 0LL); } void set(ll k) { bit[k >> 5] |= 1LL << (k & 31); } void build() { sum[0] = 0LL; for(ll i = 1; i < blk; i++) { sum[i] = sum[i - 1] + __builtin_popcountll(bit[i - 1]); } } bool operator[](ll k) { return (bool((bit[k >> 5] >> (k & 31)) & 1)); } ll rank(ll k) { return (sum[k >> 5] + __builtin_popcountll(bit[k >> 5] & ((1LL << (k & 31)) - 1))); } ll rank(bool val, ll k) { return (val ? rank(k) : k - rank(k)); } }; template<typename T, ll MAXLOG> struct WaveletMatrix { ll len; SuccinctIndexableDictionary mat[MAXLOG]; ll mid[MAXLOG]; WaveletMatrix() = default; WaveletMatrix(vector<T> v): len(v.size()) { vector<T> l(len), r(len); for(ll lev = MAXLOG - 1; lev >= 0; lev--) { mat[lev] = SuccinctIndexableDictionary(len + 1); ll left = 0, right = 0; for(ll i = 0; i < len; i++) { if(((v[i] >> lev) & 1)) { mat[lev].set(i); r[right++] = v[i]; } else { l[left++] = v[i]; } } mid[lev] = left; mat[lev].build(); v.swap(l); for(ll i = 0; i < right; i++) { v[left + i] = r[i]; } } } pair<ll, ll> succ(bool f, ll l, ll r, ll lev) { return {mat[lev].rank(f, l) + mid[lev] * f, mat[lev].rank(f, r) + mid[lev] * f}; } T access(ll k) { T ret = 0; for(ll lev = MAXLOG - 1; lev >= 0; lev--) { bool f = mat[lev][k]; if(f) { ret |= T(1) << lev; } k = mat[lev].rank(f, k) + mid[lev] * f; } return ret; } T operator[](const ll &k) { return access(k); } ll rank(const T &x, ll r) { ll l = 0; for(ll lev = MAXLOG - 1; lev >= 0; lev--) { tie(l, r) = succ((x >> lev) & 1, l, r, lev); } return r - l; } T kth_smallest(ll l, ll r, ll k) { assert(0 <= k && k < r - l); T ret = 0; for(ll lev = MAXLOG - 1; lev >= 0; lev--) { ll cnt = mat[lev].rank(false, r) - mat[lev].rank(false, l); bool f = cnt <= k; if(f) { ret |= T(1) << lev; k -= cnt; } tie(l, r) = succ(f, l, r, lev); } return ret; } T kth_largest(ll l, ll r, ll k) { return kth_smallest(l, r, r - l - k - 1); } ll range_freq(ll l, ll r, T upper) { ll ret = 0; for(ll lev = MAXLOG - 1; lev >= 0; lev--) { bool f = ((upper >> lev) & 1); if(f) { ret += mat[lev].rank(false, r) - mat[lev].rank(false, l); } tie(l, r) = succ(f, l, r, lev); } return ret; } ll range_freq(ll l, ll r, T lower, T upper) { return range_freq(l, r, upper) - range_freq(l, r, lower); } T prev_value(ll l, ll r, T upper) { ll cnt = range_freq(l, r, upper); return cnt == 0 ? T(-1) : kth_smallest(l, r, cnt - 1); } T next_value(ll l, ll r, T lower) { ll cnt = range_freq(l, r, lower); return cnt == r - l ? T(-1) : kth_smallest(l, r, cnt); } }; template<typename T = ll, ll MAXLOG = 20> struct CompressedWaveletMatrix { WaveletMatrix<ll, MAXLOG> mat; vector<T> ys; CompressedWaveletMatrix() {} CompressedWaveletMatrix(const vector<T> &v): ys(v) { ranges::sort(ys); ys.erase(unique(ys.begin(), ys.end()), ys.end()); vector<ll> t(v.size()); for(ll i = 0; i < (ll)v.size(); i++) { t[i] = get(v[i]); } mat = WaveletMatrix<ll, MAXLOG>(t); } inline ll get(const T &x) { return ranges::lower_bound(ys, x) - ys.begin(); } T access(ll k) { return ys[mat.access(k)]; } T operator[](const ll &k) { return access(k); } ll rank(const T &x, ll r) { // count i s.t. (0<=i<r)&&v[i]==x auto pos = get(x); if(pos == (ll)ys.size() || ys[pos] != x) { return 0; } return mat.rank(pos, r); } ll count(ll l, ll r, T x) { // count i s.t. (l<=i<r)&&v[i]==x if(l >= r) { return 0; } return rank(x, r) - rank(x, l); } T kth_smallest(ll l, ll r, ll k) { return ys[mat.kth_smallest(l, r, k)]; } // k-th(0-indexed) smallest number in v[l,r) T kth_largest(ll l, ll r, ll k) { return ys[mat.kth_largest(l, r, k)]; } // k-th(0-indexed) largest number in v[l,r) ll range_freq(ll l, ll r, T upper) { // count i s.t. (l<=i<r)&&(v[i]<upper) if(l >= r) { return 0; } return mat.range_freq(l, r, get(upper)); } ll range_freq(ll l, ll r, T lower, T upper) { // count i s.t. (l<=i<r)&&(lower<=v[i]<upper) if(l >= r || lower >= upper) { return 0; } return mat.range_freq(l, r, get(lower), get(upper)); } T prev_value(ll l, ll r, T upper) { // max v[i] s.t. (l<=i<r)&&(v[i]<upper) auto ret = mat.prev_value(l, r, get(upper)); return ret == -1 ? T(-1) : ys[ret]; } T next_value(ll l, ll r, T lower) { // min v[i] s.t. (l<=i<r)&&(lower<=v[i]) auto ret = mat.next_value(l, r, get(lower)); return ret == -1 ? T(-1) : ys[ret]; } }; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll N, Q; cin >> N >> Q; vector<ll> A(N); for(auto &i : A) { cin >> i; } vector<vector<ll>> v(1001, vector<ll>(N + 1, 0)); for(ll i = 1; i <= 1000; i++) { for(ll j = 0; j < N; j++) { v[i][j + 1] = v[i][j] + !(A[j] % i); } } CompressedWaveletMatrix<> W(A); while(Q--) { ll l, r, k; cin >> l >> r >> k; l--; if(k <= 1000) { cout << v[k][r] - v[k][l] << "\n"; } else { ll ans = 0; for(ll i = k; i <= 1e5; i += k) { ans += W.count(l, r, i); } cout << ans << "\n"; } } }